William bow



(No Model.) a

W. ROW.

BOILER ULEANER. No. 349,955. Patented Sept. 28, 1886.

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UNITED STATES \YILLIAM RO\V, OF \VHEELING, \VEST VIRGINIA, ASSICNOR OF ONE-HALF TO ALEXANDER I-IIRTH, OF SAME PLACE.

BOILER- SPECIFICATION forming part of Letters Patent No. 849,955, dated September 28, 1886.

Application filed June 23, 1886.

To all whom it may concern:

Be it known that l', XV 'LLIAM ROW, a resi- Serial No. QQFJHEL (No model.)

of the steam during the operation of blowing off.

dent of heeling, in the county of Ohio and F is a valve on the exterior end of the pipe State of Vest Virginia, have invented certain to regulate the pressure and operate the de- 5 new and usefulImprovements in Boiler-Cleanvice.

ers; and I do hereby declare that the follow- (I is an extension of the pipe 0, which can ing is a full, clear, and exact description of be made any suitable length to carry the waste the'invention, which will enable others skilled steam away. in the art to which it appertains to make and \Vhen it is thought desirable to clean out IO use the same, reference being bad to the acthe boiler, the valve F is opened and the steam eompanying drawings, and to letters of referand water causedto exhaust through the blow- 6o ence marked thereon, which form a part of off pipe (J.- The enforced flow of the water this specification. outward through the blow-offpipe in its pas- My invention relates to horizontal steainsage from the rear end of the boiler to the I 5 boilers in general, and its object is to provide front end of the same,where the mouth of the means of removing the scale and sediment blow-off pipeislocated, operates to loosen and which accumulate in the same in a simple carry with it the accumulation of sediment and expeditious manner. and scale deposited along the bottom of the Tothis end theinvention consists of a blowboiler. The small openings a a in the side of 20 off pipe of peculiar shape, as hereinafter thepipe are proportioned in area to relievethe fully described, which is secured lengthwise great pressure of the steam and water concento the interior of the boiler and connected trated, as it were, upon one end of the pipe, with an exterior pipe provided with a valve and at the same time serve to remove the sedito regulate the steam-pressure at the will of ment, which may be checked in its passage to 25 the operator. the forward end of the boiler.

In the drawings,l igure1 isa vertical length- The ad vantage derived from the funnelwise section; Fig. 2, a vertical crosssection of shaped open-end pipe projecting into theboiler a boiler, showing my invention applied to the with its mouth turned downward toward the same. bottom of the boiler is that a suction is me i 0 Like letters of reference refer to like parts. ated from the bottom of the boiler toward the The letter A designates an ordinary form of mouth of the pipe, carrying with the flow of boiler, inclosed by brick walls or casing H, in water and steam all the sediment and scale the usual manner. which usually collect at this portion of the E is the furnace; G, breeching. boiler.

35 B B are fire-tines extending entirely through In some cases, where mud-dru ms are attached the boiler. to the boilers, the escape-pipe could be run O is a pipe passing through the back end of through the drum and a valve placed on the the boiler and extending forward to a point outer end; but practical experience has taught just over the third fire-sheet of the boiler, me that where my device is used a mud-drum 0 where it terminates with a trumpet-shaped is not necessary to effect a thorough removal mouth turned downward to the bottom of the of all scale and sediment. 9O boiler and within a close distance of the same, Having described my invention, what I preferably three-fourths of an inch from the claim, and desire to secure by Letters Patent bottom. This pipe 0 is suspended in the boilof the United States, is-

4'5 er by means of hangers I) I), resting upon the 1. The combination, with a steam-boiler, of

flues of the boiler, placed at suitable. distances a blow-off pipe provided with a series of perapart, and it is provided with a number of forations alongits side, and havinga trumpetsmall holes, a a, on each side of the pipe, for shaped open end or month, said pipe suspendthe purpose of relieving it from the pressure ed within the boiler with the mouth turned downward and in close proximity to the bot- In testimony that Ido claim the foregoing as IO tom of the boiler, and means to regulate the -my own I hereby affix my signature in prespressure of the steam, substantially as and for ence of two witnesses. the purpose set forth.

2. The combination, with the boiler A, of WILLIAM ROW. the pipe 0, having atrumpet-shaped open end, D, and perforations a a, hangers b b b, valve Vitnesses: F, and escape-pipe d, substantially as and for H. HERRMAN, the purpose set forth. Y RAYMUND BAUER. 

